/**
 *
 *  Copyright (C) 2010 SYSNET International, Inc. <support@sysnetint.com>
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 *  implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 *
 */
package org.openempi.webapp.client.ui.widget;

/**
 * An indicator for an on going process.
 *
 * Borrowed from Beginning Google Web Toolkit Book
 */
public interface ProgressIndicator {

    public final static String DEFAULT_MESSAGE = "Loading";

    /**
     * Sets the message shown by this indicator.
     *
     * @param message The message that should shown by this indicator.
     */
    void setMessage(String message);

    /**
     * Hides this indicator.
     */
    void hide();

}
